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v3.20.4

Right of Use Assets (Tables) | 12 Months Ended
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Dec. 31, 2020
Disclosure of leases [Abstract] |
Disclosure of quantitative information about right-of-use assets | A reconciliation of the changes in the carrying amount of the right-of-use assets is as follows:
| Land | Buildings | Vehicles | Equipment | Pipeline | Total
New leases recognized Jan. 1, 2019 | 29 |  | 22 |  | 1 |  | — |  | — |  | 52 |
Adjustments on recognition(1) | (1) |  | (4) |  | — |  | — |  | — |  | (5) |
Transfers from PP&E, intangibles and other assets | — |  | — |  | 3 |  | 35 |  | — |  | 38 |
As at Jan. 1, 2019 | 28 |  | 18 |  | 4 |  | 35 |  | — |  | 85 |
Additions | 32 |  | 2 |  | — |  | 2 |  | 45 |  | 81 |
Depreciation | (1) |  | (4) |  | (2) |  | (11) |  | — |  | (18) |
Changes in foreign exchange rates | (1) |  | — |  | — |  | — |  | — |  | (1) |
Transfers | — |  | — |  | — |  | (1) |  | — |  | (1) |
As at Dec. 31, 2019 | 58 |  | 16 |  | 2 |  | 25 |  | 45 |  | 146 |
Additions | 3 |  | 13 |  | — |  | — |  | — |  | 16 |
Depreciation | (3) |  | (5) |  | (1) |  | (9) |  | (3) |  | (21) |
As at Dec. 31, 2020 | 58 |  | 24 |  | 1 |  | 16 |  | 42 |  | 141 |
(1) Adjusted by the amount of any prepaid or accrued lease payments, onerous contract provisions and lease inducements.

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